Add clinical trials search

[vishnuravi]

Name of the PR

♻️ Current situation & Problem

Users should be able to search for clinical trials for their condition.

💡 Proposed solution

Embeds the NCI clinical trials search engine into a WebView in the application, launched from the "Find Clinical Trials" button on the home screen.

Code of Conduct & Contributing Guidelines

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• I agree to follow the Code of Conduct and Contributing Guidelines.

[codecov]

Codecov Report

Merging #5 (742aad2) into main (42df6c6) will decrease coverage by 0.07%.
The diff coverage is 86.85%.

❗ Current head 742aad2 differs from pull request most recent head 7f70f3c. Consider uploading reports for the commit 7f70f3c to get more accurate results

@@            Coverage Diff             @@
##             main       #5      +/-   ##
==========================================
- Coverage   24.41%   24.33%   -0.07%     
==========================================
  Files          24       25       +1     
  Lines         881      892      +11     
==========================================
+ Hits          215      217       +2     
- Misses        666      675       +9     

Impacted Files	Coverage Δ
TemplateApplication/ClinicalTrialsView.swift	0.00% <0.00%> (ø)
TemplateApplication/WebView.swift	0.00% <0.00%> (ø)
TemplateApplication/HomeTabView.swift	88.89% <100.00%> (+0.26%)	⬆️

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