♻️ Refactor Ctx.Method func to improve code readability

[dairlair]

Description

I've simplified the function by breaking it down into three trivially simple steps:

Step One: We check if no arguments are provided in the override parameter, in which case we have no choice but to return c.method. If arguments are provided, we proceed to step two.

Step Two: We take the first string from override and validate if it's a valid HTTP Method name. If it's not, it's evident that we need to return the current method from the context. If it is valid, we move on to step three.

Now, in step three, we have a valid HTTP Method in the override parameter. We save this method and its code to the context and return the method's name as a string.

This pull request doesn't fix any bugs, but it improves the code's readability.

I decided to submit these changes because my younger sister (a budding programmer with a diagnosis of semantic dyslexia) asked me to explain what this function does, and I had to put in some effort to understand what was happening and explain to her that two consecutive 'if' statements are better than two nested ones. 🧡

Type of change

• Code quality improvement

Checklist:

• For new functionalities I follow the inspiration of the express js framework and built them similar in usage
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• New and existing unit tests pass locally with my changes
• I tried to make my code as fast as possible with as few allocations as possible

Commit formatting:

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[sixcolors]

Great job on the PR! LGTM. Thanks for your contribution 🧼

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