## Summary
Added a WebServer service and a Web Browser (client) so that the simulation can emulate HTTP requests across the network via HTTPPacket transfer
## Test process
Written an integration test that tests Web Server and Web Browser sending and returning requests
## Checklist
- [X] PR is linked to a **work item**
- [X] **acceptance criteria** of linked ticket are met
- [X] performed **self-review** of the code
- [X] written **tests** for any new functionality added with this PR
- [X] updated the **documentation** if this PR changes or adds functionality
- [ ] written/updated **design docs** if this PR implements new functionality
- [X] updated the **change log**
- [X] ran **pre-commit** checks for code style
- [X] attended to any **TO-DOs** left in the code
Related work items: #1752, #1816, #1866, #1916, #1943
## Summary
- Used FTP changes to allow the database service to create a copy of the database.db file in the backup server
- Used FTP changes to allow the database service to restore the database.db file from a copy made in the backup server
## Test process
*How have you tested this (if applicable)?*
## Checklist
- [x] PR is linked to a **work item**
- [x] **acceptance criteria** of linked ticket are met
- [X] performed **self-review** of the code
- [x] written **tests** for any new functionality added with this PR
- [X] updated the **documentation** if this PR changes or adds functionality
- [ ] written/updated **design docs** if this PR implements new functionality
- [X] updated the **change log**
- [x] ran **pre-commit** checks for code style
- [x] attended to any **TO-DOs** left in the code
Related work items: #1752, #1796, #1816, #1866, #1916
- changelog added
- added documentation + example of using web server + web browser
- extended web server so that it also accepts ip addresses
- web server can differentiate between a normal page request and one that propagates into a DB request
- rename WebServerService -> WebServer
## Summary
Initial implementation of an FTP Client/Server service used to emulate a transfer of files across nodes
## Test process
Added an integration and unit test
## Checklist
- [x] PR is linked to a **work item**
- [x] **acceptance criteria** of linked ticket are met
- [x] performed **self-review** of the code
- [x] written **tests** for any new functionality added with this PR
- [X] updated the **documentation** if this PR changes or adds functionality
- [ ] written/updated **design docs** if this PR implements new functionality
- [X] updated the **change log**
- [x] ran **pre-commit** checks for code style
- [ ] attended to any **TO-DOs** left in the code
Related work items: #1752, #1816, #1916
## Summary
*Replace this text with an explanation of what the changes are and how you implemented them. Can this impact any other parts of the codebase that we should keep in mind?*
## Test process
*How have you tested this (if applicable)?*
## Checklist
- [ ] This PR is linked to a **work item**
- [ ] I have performed **self-review** of the code
- [ ] I have written **tests** for any new functionality added with this PR
- [ ] I have updated the **documentation** if this PR changes or adds functionality
- [ ] I have written/updated **design docs** if this PR implements new functionality
- [ ] I have update the **change log**
- [ ] I have run **pre-commit** checks for code style
Updated pull_request_template.md
Related work items: #1866
Rename attributes like connected_link and connected_node to start with
an underscore.
This will prevent circular dependency and stack recursion depth error.
## Summary
Carrying on where Sunil left the task. Added more functionality to the DNS.
- DNS Server can keep a list of domain names that the DNS Client can request
- DNS Client has a cache of domain names that are valid from the DNS Server
## Test process
https://dev.azure.com/ma-dev-uk/PrimAITE/_git/PrimAITE/pullrequest/177?_a=files&path=/tests/unit_tests/_primaite/_simulator/_system/_services/test_dns.py
## Checklist
- [x] This PR is linked to a **work item**
- [x] I have performed **self-review** of the code
- [x] I have written **tests** for any new functionality added with this PR
- [X] I have updated the **documentation** if this PR changes or adds functionality
- [ ] I have written/updated **design docs** if this PR implements new functionality
- [X] I have update the **change log**
- [x] I have run **pre-commit** checks for code style
Related work items: #1752
