add yarn actions, fix ShadowsocksConfig macro, webpack bin (#993)

* add yarn actions, fix ShadowsocksConfig macro, webpack bin

reverting unnecessary specificity

* tweak action trigger

.github/workflows/test.yml

@@ -1,6 +1,13 @@
 name: Build and Test
 
-on: push
+on: 
+  pull_request:
+    branches:
+      - master
+    types:
+      - opened
+      - synchronize
+
 
 jobs:
   manager:

README.md

@@ -65,6 +65,8 @@ It also defines two environmental variables:
 - ROOT_DIR: the root directory of the project, as an absolute path.
 - BUILD_DIR: where the build output should go, as an absolute path.
 
+> ⚠️ To find all the actions in this project, run `yarn actions`
+
 ### Build output
 
 Building creates the following directories under `build/`:

package.json

@@ -16,6 +16,7 @@
   "scripts": {
     "clean": "rm -rf src/*/node_modules/ build/ node_modules/ src/server_manager/install_scripts/do_install_script.ts src/server_manager/install_scripts/gcp_install_script.ts third_party/shellcheck/download/",
     "do": "bash ./scripts/do_action.sh",
+    "actions": "find . -name '*_action.sh' | sed -E 's:./src/(.*)_action.sh:\\1:' | grep -v 'scripts/do_action'",
     "lint": "yarn shellcheck && yarn tslint",
     "shellcheck": "bash ./scripts/shellcheck.sh",
     "tslint": "tslint 'src/**/*.ts' -e '**/node_modules/**'"