fix tsconfig.json for eslint

packages/plugin-attachment-refs/tsconfig.json

@@ -1,3 +1,10 @@
 {
   "extends": "./tsconfig.base.json",
+  "compilerOptions": {
+    "baseUrl": ".",
+    "paths": {
+      "~/*": ["./src/*"],
+      "@growi/*": ["../*/src"]
+    }
+  }
 }

packages/plugin-lsx/tsconfig.json

@@ -1,3 +1,10 @@
 {
-  "extends": "../../tsconfig.base.json"
+  "extends": "./tsconfig.base.json",
+  "compilerOptions": {
+    "baseUrl": ".",
+    "paths": {
+      "~/*": ["./src/*"],
+      "@growi/*": ["../*/src"]
+    }
+  }
 }

packages/slack/tsconfig.json

@@ -3,6 +3,8 @@
   "compilerOptions": {
     "baseUrl": ".",
     "paths": {
+      "~/*": ["./src/*"],
+      "@growi/*": ["../*/src"]
     }
   }
 }