Bug fixes for non-GE inverters and freeze charge

What's Changed

Small bug fixes for various issues as below

• Attempt to fix bug with reserve not being set during freeze charge by @springfall2008 in #1338
• Update install.md - update manual install section by @springfall2008 in #1339
• Non GE inverter fix - do not force off 'set_discharge_during_charge' by @springfall2008 in #1321
• fix time press by @heyiamluke in #1324
• Fix issue with service template name by @springfall2008 in #1343

New Contributors

• @heyiamluke made their first contribution in #1324

Full Changelog: v8.3.1...v8.3.2