github: move issue template placeholder text to description

placeholders do not really work for more than one line

.github/ISSUE_TEMPLATE/bug-report.yml

@@ -23,10 +23,13 @@ body:
     id: version
     attributes:
       label: Version
-      description: ESPurna version
-      placeholder: |
-        Value on WebUI home page, commit hash or filename of a release .bin
-        e.g. 1.16.0-dev.git12345678+github220101
+      description: |
+        ESPurna version. Can be either
+        * .bin filename or snapshot name / date, if downloaded from 'Releases'
+        * 'Firmware version' in WebUI
+        * First line of `info` terminal command output
+        * Output of `git rev-parse HEAD`, in the directory that was created when you cloned this repository
+      placeholder: 1.16.0-dev.git12345678+github250718
     validations:
       required: true
 
@@ -45,8 +48,8 @@ body:
   - type: textarea
     attributes:
       label: Build tools used
-      description: If ESPurna was built manually, please describe build configuration and the tools that were used
-      placeholder: |
+      description: |
+        If ESPurna was built manually, please describe build configuration and the tools that were used.  
         Please mention **any modifications** to our configuration headers or command line flags.
 
         For ArduinoIDE / arduino-cli, which version was used.

.github/ISSUE_TEMPLATE/feature-request.yml

@@ -13,8 +13,6 @@ body:
       label: Description
       description: |
         Is your feature request related to a problem? Please describe
-      placeholder: |
-        A clear and concise description of what the problem is. Ex. I'm always frustrated when [...]
     validations:
       required: true
 
@@ -22,22 +20,16 @@ body:
     attributes:
       label: Solution
       description: |
-        Describe the solution you'd like
-      placeholder: |
         A clear and concise description of what you want to happen
 
   - type: textarea
     attributes:
       label: Alternatives
       description: |
-        Describe alternatives you've considered
-      placeholder: |
-        A clear and concise description of any alternative solutions or features you've considered
+        A clear and concise description of any alternative solutions or features you have considered
 
   - type: textarea
     attributes:
       label: Additional context
       description: |
-        Add any other information about the feature request
-      placeholder: |
-        (references, screenshots, etc.)
+        Add any other information about the feature request (references, screenshots, etc.)

.github/ISSUE_TEMPLATE/questions.yml

@@ -19,12 +19,16 @@ body:
       required: false
 
   - type: input
+    id: version
     attributes:
       label: Version
-      description: ESPurna version
-      placeholder: |
-        Value on WebUI home page, commit hash or filename of a release .bin
-        e.g. 1.16.0-dev.git12345678+github220101
+      description: |
+        ESPurna version, if this question is related to something happening with the firmware
+        * .bin filename or snapshot name / date, if downloaded from 'Releases'
+        * 'Firmware version' in WebUI
+        * First line of `info` terminal command output
+        * Output of `git rev-parse HEAD`, in the directory that was created when you cloned this repository
+      placeholder: 1.16.0-dev.git12345678+github250718
     validations:
       required: false