Add ISSUE_TEMPLATE

pubspec.lock

@@ -479,6 +479,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "0.13.1"
+  flutter_lints:
+    dependency: "direct dev"
+    description:
+      name: flutter_lints
+      sha256: a25a15ebbdfc33ab1cd26c63a6ee519df92338a9c10f122adda92938253bef04
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.0.3"
   flutter_localizations:
     dependency: "direct main"
     description: flutter
@@ -689,10 +697,9 @@ packages:
   isar_generator:
     dependency: "direct dev"
     description:
-      name: isar_generator
-      sha256: "76c121e1295a30423604f2f819bc255bc79f852f3bc8743a24017df6068ad133"
-      url: "https://pub.dev"
-    source: hosted
+      path: "packages/isar_generator"
+      relative: true
+    source: path
     version: "3.1.0+1"
   js:
     dependency: transitive
@@ -734,6 +741,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "0.1.9"
+  lints:
+    dependency: transitive
+    description:
+      name: lints
+      sha256: "0a217c6c989d21039f1498c3ed9f3ed71b354e69873f13a8dfc3c9fe76f1b452"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.1"
   logging:
     dependency: transitive
     description: