Reformat a lot of code, fix many typos, and improve readability

.github/ISSUE_TEMPLATE/bug_report.md

@@ -7,19 +7,19 @@ assignees: ''
 
 ---
 
-**Bug Description**
-
+**Bug description**
 
 **Steps to reproduce:**
 <!-- Please describe what you expected to see and what you saw instead. Also include screenshots or screencasts if needed. -->
 
 
 **Terminal output** (optional):
+
 ```
 <!--
 Add terminal output only if needed - if there are some errors or warnings or you have performance/freeze issues.  
-Very helpful in this situation will be logs from czkawka run with RUST_LOG environment variable set e.g. 
-`RUST_LOG=debug ./czkawka` or `flatpak run --env=RUST_LOG=debug com.github.qarmin.czkawka` if you use flatpak, which will print more detailed info about executed function.
+Very helpful in this situation will be logs from Czkawka run with the RUST_LOG environment variable set, e.g. ,
+`RUST_LOG=debug ./czkawka` or `flatpak run --env=RUST_LOG=debug com.github.qarmin.czkawka` if you use flatpak, which will print more detailed info about the executed function.
 -->
 
 <details>
@@ -30,11 +30,10 @@ Very helpful in this situation will be logs from czkawka run with RUST_LOG envir
 </details>
 ```
 
-
 **System**
 
-- Czkawka/Krokiet version: <!--  e.g. 7.0.0 cli/gui -->
-- OS version: <!--  e.g Ubuntu 22.04, Windows 11, Mac 15.1 ARM -->
-- Installation method: <!-- e.g. github binaries, snap, flatpak, msys2 -->
+- Czkawka/Krokiet version: <!--  e.g., 7.0.0 cli/gui -->
+- OS version: <!-- e.g., Ubuntu 22.04, Windows 11, Mac 15.1 ARM -->
+- Installation method: <!-- e.g., GitHub binaries, Snap, Flatpak, msys2 -->
 
-<!-- If you use flatpak, please include the result of `flatpak info com.github.qarmin.czkawka`. -->
+<!-- If you use Flatpak, please include the result of `flatpak info com.github.qarmin.czkawka`. -->

.github/ISSUE_TEMPLATE/feature_request.md

@@ -7,5 +7,5 @@ assignees: ''
 
 ---
 
-**Feature Description**
-...
+**Feature description**
+...