Documentation updates for conda installation & new support page

[ortk95]

Pull request checklist

• [x] Add a clear description of the change
• [ ] Add any new tests needed
• [x] Run spell check on new text visible to user (documentation, GUI etc.)
• [ ] Check any changes to requirements.txt are reflected in setup.py
• [ ] Check code passes CI checks (run run_ci.sh or check GitHub Actions)

See CONTRIBUTING.md for more details.

[coveralls]

Pull Request Test Coverage Report for Build 7397173485

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 99.506%

---

Totals
Change from base Build 7102806507:	0.0%
Covered Lines:	2788
Relevant Lines:	2802

---

💛 - Coveralls