Simplify summary output

[per1234]

This less verbose approach to the project and projects linting summary output provides the same amount of information in
a more approachable format.

Before:

Linting library in E:\SomeLibrary
Rule LP017 result: fail
ERROR: Library name Servo is in use by a library in the Library Manager index. Each library must have a unique name value. If your library is already in the index, use the "--library-manager update" flag.
Rule LD002 result: fail
WARNING: No license file found. See: https://docs.github.com/en/free-pro-team@latest/github/creating-cloning-and-archiving-repositories/licensing-a-repository#detecting-a-license

Finished linting project. Results:
Warning count: 1
Error count: 1
Rules passed: false

-------------------

Linting sketch in E:\SomeLibrary\examples\Knob

Finished linting project. Results:
Warning count: 0
Error count: 0
Rules passed: true

-------------------

Finished linting projects. Results:
Warning count: 1
Error count: 1
Rules passed: false

After:

Linting library in E:\SomeLibrary
Rule LP017 result: fail
ERROR: Library name Servo is in use by a library in the Library Manager index. Each library must have a unique name value. If your library is already in the index, use the "--library-manager update" flag.
Rule LD002 result: fail
WARNING: No license file found. See: https://docs.github.com/en/free-pro-team@latest/github/creating-cloning-and-archiving-repositories/licensing-a-repository#detecting-a-license

Linter results for project: 1 ERRORS, 1 WARNINGS

-------------------

Linting sketch in E:\SomeLibrary\examples\Knob

Linter results for project: no errors or warnings

-------------------

Linter results for projects: 1 ERRORS, 1 WARNINGS

[codecov-commenter]

Codecov Report

Merging #208 (6b719bc) into main (dccb221) will increase coverage by 0.02%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##             main     #208      +/-   ##
==========================================
+ Coverage   87.90%   87.93%   +0.02%     
==========================================
  Files          43       43              
  Lines        4150     4160      +10     
==========================================
+ Hits         3648     3658      +10     
  Misses        391      391              
  Partials      111      111              

Flag	Coverage Δ
unit	87.93% <100.00%> (+0.02%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
internal/result/result.go	89.43% <100.00%> (+0.93%)	⬆️

---

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