Create parity with main repo issues (#7914)

* [skip ci] Rename issue/bug to just issue

Also changes the file naming scheme of the issue forms.

* [skip ci] Tweak issue overview

* [skip ci] Change website icon

* [skip ci] Remove punctuation from external links

Now matches with the issue form templates

.github/ISSUE_TEMPLATE/config.yml

@@ -1,11 +1,11 @@
 blank_issues_enabled: false
 contact_links:
-  - name: ⚠️ Tachiyomi app issue
+  - name: ⚠️ Application issue
     url: https://github.com/tachiyomiorg/tachiyomi/issues/new/choose
-    about: Issues and requests about the app itself should be opened in the tachiyomi repository instead.
+    about: Issues and requests about the app itself should be opened in the tachiyomi repository instead
   - name: 📦 Tachiyomi extensions
     url: https://tachiyomi.org/extensions
-    about: List of all available extensions with download links.
-  - name: 🌐 Tachiyomi website
+    about: List of all available extensions with download links
+  - name: 🖥️ Tachiyomi website
     url: https://tachiyomi.org/help/
-    about: Guides, troubleshooting, and answers to common questions.
+    about: Guides, troubleshooting, and answers to common questions

.github/ISSUE_TEMPLATE/report_issue.yml

@@ -1,5 +1,5 @@
-name: 🐞 Issue/Bug report
-description: Report a source issue/bug in Tachiyomi
+name: 🐞 Issue report
+description: Report a source issue in Tachiyomi
 title: "Source name: Short description"
 labels: [Bug]
 body:
@@ -62,12 +62,12 @@ body:
     id: reproduce-steps
     attributes:
       label: Steps to reproduce
-      description: Provide an example of how to trigger the bug.
+      description: Provide an example of the issue.
       placeholder: |
         Example:
           1. First step
           2. Second step
-          3. Bug occurs
+          3. Issue here
     validations:
       required: true