Shutov / #2426 create interface to upload excel data

[MarianS23]

File requirements:

1. extension .xlsx
2. proper headers of the Excel table is
   ( Імя директора|Прізвище директора|Назва закладу|Форма власності|ЄДРПОУ|Ліцензія №|Населений пункт|
   Адреса|Електронна пошта|Телефон ) without whitespace before and after each header
3. script processes only the first 100 lines of the Excel file

Validation requirements to:
1. directors name:
- The field can't be empty
2. directors surname:
- The field can't be empty
3. provider name:
- The field can't be empty
- length more/equal than 1 character , less than 60
4. ownership:
- The field can't be empty
5. identifier(EDRPOU)
- The field can't be empty
- format: 00000000
- duplicate verification ( if you try to load data that exists on the server it will give an error )
6. license number:
- The field can't be empty
7. settlement:
- The field can't be empty
- length more/equal than 1 character, less than 60
- only Cyrillic , no Latin characters
8. address:
- The field can't be empty
- only Cyrillic no Latin characters
9. email:
- The field can't be empty
- format
- duplicate verification ( if you try to load data that exists on the server it will give an error )
10. phone number:
- The field can't be empty
- format ( UA )

Errors indication color scheme:
- RED: you try to load information that already exists in the database (DUPLICATED INFO);
- PINK: empty field ;
- VIOLET: incorrect length, less than 1 character or more than 60;
- YELLOW: incorrect format
identifier(EDRPOU) - must be 8 digits;
email - standard email format (example@gmail.com)
- GREEN: incorrect language
settlement - correct language is 'UA'
address - correct language is 'UA'
Example of an Excel file that includes all invalid fields:
all mistake.xlsx

[humanmantis]

A general note for unit tests - divide the test into arrange/act/assert blocks to improve readability.
See how the tests for app.component look like

[sonarqubecloud]

Quality Gate passed

Issues
2 New issues
0 Accepted issues

Measures
0 Security Hotspots
89.1% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarCloud