Added encoder support to scripter (absolute + relative values) ESP8266 only

[md5sum-as]

Description:

Changes:

• ✅ Added encoder support (absolute + relative values)
• 🧹 Removed trailing spaces and empty lines (code cleanup)

Notes:

• Relative encoder value resets after reading
• No functional changes in existing logic

Related issue (if applicable): fixes #23155

Checklist:

• The pull request is done against the latest development branch
• Only relevant files were touched
• Only one feature/fix was added per PR and the code change compiles without warnings
• The code change is tested and works with Tasmota core ESP8266 V.2.7.8
• The code change is tested and works with Tasmota core ESP32 V.3.1.3.250712
• I accept the CLA.

NOTE: The code change must pass CI tests. Your PR cannot be merged unless tests pass