:memo: Rewrites INSTALLATION.md for clarity purposes

[AlexandreSajus]

We have had reports of users failing to contribute to Taipy GUI due to installation errors. I rewrote the INSTALLATION markdown in the hopes that it helps new contributors pass this barrier of entry.

Before:

After:

[github-actions[bot]]

☂️ Python Coverage

current status: ✅

Overall Coverage

Lines	Covered	Coverage	Threshold	Status
5298	4523	85%	85%	🟢

New Files

No new covered files...

Modified Files

No covered modified files...

updated for commit: 1a03842 by action🐍

[github-actions[bot]]

Coverage report for gui

Branches coverage not met for global: expected >=80%, but got 62.432675044883304%	St.:grey_question:	Category	Percentage	Covered / Total
🟢	Statements	80.85% (+0.01% 🔼)	2293/2836
🟡	Branches	62.43% (-0.8% 🔻)	1391/2228
🟡	Functions	75.38% (-0.02% 🔻)	401/532
🟢	Lines	81.21% (-0.01% 🔻)	2127/2619

Show new covered files 🐣

|

St.^{:grey_question:}

| File | Statements | Branches | Functions | Lines | | :----------------------------------------------------------------------------------------------------------------------------------------------------: | :------------------------------------------------------------------------------ | :--------- | :------- | :-------- | :----- | | 🟢 |

`...` / Dialog.tsx

| 80.43% | 60.87% | 100% | 80.43% | | 🟡 |

`...` / TaipyRendered.tsx

| 66.67% | 17.65% | 50% | 66.67% | | 🟡 |

`...` / index.ts

| 73.33% | 26.67% | 50% | 72.73% | | 🟢 |

`...` / Expandable.tsx

| 100% | 85% | 100% | 100% | | 🟢 |

`...` / PageContent.tsx

| 75% | 100% | 0% | 100% | | 🟢 |

`...` / Pane.tsx

| 95.12% | 73.81% | 100% | 94.87% | | 🟢 |

`...` / Part.tsx

| 88% | 64.29% | 75% | 91.3% | | 🟡 |

`...` / Unregistered.tsx

| 62.5% | 0% | 0% | 60% |

Show files with reduced coverage 🔻

|

St.^{:grey_question:}

| File | Statements | Branches | Functions | Lines | | :----------------------------------------------------------------------------------------------------------------------------------------------------: | :---------------------------------------------------------------------------- | :------------------------------------------------------------- | :------------------------------------------------------------ | :-------- | :------------------------------------------------------------ | | 🟢 |

`...` / FileDownload.tsx

|

88.64% (-2.27% 🔻)

|

58.7% (-7.26% 🔻)

| 87.5% |

88.1% (-2.38% 🔻)

|

Test suite run success

334 tests passing in 36 suites.

Report generated by 🧪jest coverage report action from 1a03842212657a93f5bbc1a1028b77be65f73dbe