diff --git a/.editorconfig b/.editorconfig
index ee9958a5..f27321f4 100644
--- a/.editorconfig
+++ b/.editorconfig
@@ -6,3 +6,4 @@ charset = utf-8
 indent_style = space
 indent_size = 4
 insert_final_newline = true
+trim_trailing_whitespace = true
diff --git a/.vscode/extensions.json b/.vscode/extensions.json
index 460d90e4..9789ec6c 100644
--- a/.vscode/extensions.json
+++ b/.vscode/extensions.json
@@ -3,6 +3,9 @@
 	// for the documentation about the extensions.json format
 	"recommendations": [
 		"dbaeumer.vscode-eslint",
-		"msjsdiag.debugger-for-chrome"
+		"msjsdiag.debugger-for-chrome",
+		"streetsidesoftware.code-spell-checker",
+		"lokalise.i18n-ally",
+		"EditorConfig.EditorConfig"
 	]
 }
diff --git a/.vscode/launch.json b/.vscode/launch.json
index 9a4a2486..86f0ee4b 100644
--- a/.vscode/launch.json
+++ b/.vscode/launch.json
@@ -1,61 +1,61 @@
-{
-  "version": "0.2.0",
-  "configurations": [
-    {
-      "type": "node",
-      "request": "launch",
-      "name": "Debug Main Process",
-      "cwd": "${workspaceRoot}",
-      "runtimeExecutable": "${workspaceRoot}/node_modules/.bin/electron",
-      "runtimeArgs": [
-        "src",
-        "--disable-dev-mode"
-      ],
-      "windows": {
-        "runtimeExecutable": "${workspaceRoot}/node_modules/.bin/electron.cmd"
-      },
-      "program": "${workspaceRoot}/src/main.js",
-      "outFiles": [
-        "${workspaceRoot}/src/main_bundle.js"
-      ],
-      "sourceMaps": true,
-      "preLaunchTask": "Build sources"
-    },
-    /*
-    {
-      "name": "Debug Renderer Process",
-      "type": "chrome",
-      "request": "launch",
-      "runtimeExecutable": "${workspaceRoot}/node_modules/.bin/electron",
-      "windows": {
-        "runtimeExecutable": "${workspaceRoot}/node_modules/.bin/electron.cmd"
-      },
-      "runtimeArgs": [
-        "${workspaceRoot}/src",
-        "--disable-dev-mode",
-        "--remote-debugging-port=9222"
-      ],
-      "webRoot": "${workspaceRoot}/src/browser",
-      "sourceMaps": true,
-      "preLaunchTask": "Build sources"
-    },
-    */
-    {
-      "type": "node",
-      "request": "launch",
-      "name": "Mocha Tests",
-      "program": "${workspaceRoot}/node_modules/mocha/bin/_mocha",
-      "args": [
-        "-r",
-        "@babel/register",
-        "--recursive",
-        "--timeout",
-        "999999",
-        "--colors",
-        "${workspaceRoot}/e2e/specs"
-      ],
-      "internalConsoleOptions": "openOnSessionStart",
-      "preLaunchTask": "Build sources"
-    }
-  ]
-}
+{
+    "version": "0.2.0",
+    "configurations": [
+        {
+            "type": "node",
+            "request": "launch",
+            "name": "Debug Main Process",
+            "cwd": "${workspaceRoot}",
+            "runtimeExecutable": "${workspaceRoot}/node_modules/.bin/electron",
+            "runtimeArgs": [
+                "src",
+                "--disable-dev-mode"
+            ],
+            "windows": {
+                "runtimeExecutable": "${workspaceRoot}/node_modules/.bin/electron.cmd"
+            },
+            "program": "${workspaceRoot}/src/main.js",
+            "outFiles": [
+                "${workspaceRoot}/src/main_bundle.js"
+            ],
+            "sourceMaps": true,
+            "preLaunchTask": "Build sources"
+        },
+        /*
+        {
+            "name": "Debug Renderer Process",
+            "type": "chrome",
+            "request": "launch",
+            "runtimeExecutable": "${workspaceRoot}/node_modules/.bin/electron",
+            "windows": {
+                "runtimeExecutable": "${workspaceRoot}/node_modules/.bin/electron.cmd"
+            },
+            "runtimeArgs": [
+                "${workspaceRoot}/src",
+                "--disable-dev-mode",
+                "--remote-debugging-port=9222"
+            ],
+            "webRoot": "${workspaceRoot}/src/browser",
+            "sourceMaps": true,
+            "preLaunchTask": "Build sources"
+        },
+        */
+        {
+            "type": "node",
+            "request": "launch",
+            "name": "Mocha Tests",
+            "program": "${workspaceRoot}/node_modules/mocha/bin/_mocha",
+            "args": [
+                "-r",
+                "@babel/register",
+                "--recursive",
+                "--timeout",
+                "999999",
+                "--colors",
+                "${workspaceRoot}/e2e/specs"
+            ],
+            "internalConsoleOptions": "openOnSessionStart",
+            "preLaunchTask": "Build sources"
+        }
+    ]
+}
diff --git a/.vscode/settings.json b/.vscode/settings.json
new file mode 100644
index 00000000..e3a092f4
--- /dev/null
+++ b/.vscode/settings.json
@@ -0,0 +1,17 @@
+{
+    "i18n-ally.localesPaths": [
+        "i18n"
+    ],
+    "editor.codeActionsOnSave": {
+        "source.fixAll.eslint": true
+    },
+    "cSpell.words": [
+        "browserview",
+        "deauthorize",
+        "loadscreen",
+        "Ochiai",
+        "UNCLOSEABLE",
+        "webcontents",
+        "Yuya"
+    ]
+}
diff --git a/src/renderer/index.html b/src/renderer/index.html
index 6a751812..4e7ed925 100644
--- a/src/renderer/index.html
+++ b/src/renderer/index.html
@@ -1,11 +1,11 @@
 <!DOCTYPE html>
 <html>
-  <head>
-    <meta charset="utf-8">
-    <meta http-equiv="Content-Security-Policy" content="default-src 'self'; style-src 'self' 'unsafe-inline'; media-src data:">
-    <title><%= htmlWebpackPlugin.options.title %></title>
-  </head>
-  <body>
-    <div id="app" />
-  </body>
+    <head>
+        <meta charset="utf-8">
+        <meta http-equiv="Content-Security-Policy" content="default-src 'self'; style-src 'self' 'unsafe-inline'; media-src data:">
+        <title><%= htmlWebpackPlugin.options.title %></title>
+    </head>
+    <body>
+        <div id="app" />
+    </body>
 </html>