docs: clarify installation instructions

[Dentrax]

This commit clarifies some installation strategies for newcomers.

Signed-off-by: Furkan [email protected]

Issue #, if available: -

Description of changes:

• Fix an issue where make install was just trying to symlink a file without building the actual binary itself. (Was a bit confusing for fresh users - and better UX to cover POLA law)
• Add $ prefix to actual commands
• Add 2 new sections to installation section in the README
• Decreased build size %15-%20 by stripping DWARF and debug symbols

Testing done:

• Issue the new commands that recently added to README and expect all works.

• [X] I've reviewed the guidance in CONTRIBUTING.md

License Acceptance

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.