Revert Chokidar version to 3.0.2 due to fatal bug.

paulmillr/chokidar#888

package.json

@@ -56,7 +56,7 @@
     "autoprefixer": "9.6.1",
     "babel-loader": "8.0.6",
     "chalk": "2.4.2",
-    "chokidar": "3.1.1",
+    "chokidar": "3.0.2",
     "clean-css": "4.2.1",
     "css-loader": "3.2.0",
     "dotenv": "8.1.0",

yarn.lock

@@ -797,7 +797,7 @@ anymatch@^2.0.0:
     micromatch "^3.1.4"
     normalize-path "^2.1.1"
 
-anymatch@^3.1.0:
+anymatch@^3.0.1, anymatch@^3.1.0:
   version "3.1.0"
   resolved "https://registry.yarnpkg.com/anymatch/-/anymatch-3.1.0.tgz#e609350e50a9313b472789b2f14ef35808ee14d6"
   integrity sha512-Ozz7l4ixzI7Oxj2+cw+p0tVUt27BpaJ+1+q1TCeANWxHpvyn2+Un+YamBdfKu0uh8xLodGhoa1v7595NhKDAuA==
@@ -1414,7 +1414,22 @@ chalk@2.4.2, chalk@^2.0.0, chalk@^2.0.1, chalk@^2.3.0, chalk@^2.4.2:
     escape-string-regexp "^1.0.5"
     supports-color "^5.3.0"
 
-chokidar@3.1.1, "chokidar@>=2.0.0 <4.0.0", chokidar@^3.0.2:
+chokidar@3.0.2:
+  version "3.0.2"
+  resolved "https://registry.yarnpkg.com/chokidar/-/chokidar-3.0.2.tgz#0d1cd6d04eb2df0327446188cd13736a3367d681"
+  integrity sha512-c4PR2egjNjI1um6bamCQ6bUNPDiyofNQruHvKgHQ4gDUP/ITSVSzNsiI5OWtHOsX323i5ha/kk4YmOZ1Ktg7KA==
+  dependencies:
+    anymatch "^3.0.1"
+    braces "^3.0.2"
+    glob-parent "^5.0.0"
+    is-binary-path "^2.1.0"
+    is-glob "^4.0.1"
+    normalize-path "^3.0.0"
+    readdirp "^3.1.1"
+  optionalDependencies:
+    fsevents "^2.0.6"
+
+"chokidar@>=2.0.0 <4.0.0", chokidar@^3.0.2:
   version "3.1.1"
   resolved "https://registry.yarnpkg.com/chokidar/-/chokidar-3.1.1.tgz#27e953f3950336efcc455fd03e240c7299062003"
   integrity sha512-df4o16uZmMHzVQwECZRHwfguOt5ixpuQVaZHjYMvYisgKhE+JXwcj/Tcr3+3bu/XeOJQ9ycYmzu7Mv8XrGxJDQ==