Calculate less weight for templates and static files

[thepetk]

What does this PR do?

Updates the logic of the weight calculation for each Language that is of kind=="programming". More detailed:

• It replaces the extension count by extensionPoints. This way we are able to give different amount of points to each language extension.
• Inside func extractExtensions(paths []string) map[string]int it checks if a given path is part of [2]string{"static/", "templates/"}. If this is the case, it gives 10 points where a normal file gets 100 points (the template file is 10% of the normal one).

The main part of the updated code:

func isStaticFileExtension(path string) bool {
	staticDirs := [2]string{"static/", "templates/"}
	for _, dir := range staticDirs {
		if strings.Contains(path, dir) {
			return true
		}
	}
	return false
}

func extractExtensions(paths []string) map[string]int {
	extensions := make(map[string]int)
	for _, path := range paths {
		extension := filepath.Ext(path)
		if len(extension) == 0 {
			continue
		}
		extensionPoints := extensions[extension]
		if !isStaticFileExtension(path) {
			extensionPoints = extensionPoints + 100
		} else {
			extensionPoints = extensionPoints + 10
		}
		extensions[extension] = extensionPoints
	}
	return extensions
}

Which issue(s) this PR fixes:

fixes #147

Test outputs

Here is the output of the test for the repo mentioned in the issue:

[
	{
		"Name": "Python",
		"Aliases": [
			"python3",
			"rusthon"
		],
		"Weight": 83,
		"Frameworks": [
			"Flask"
		],
		"Tools": [],
		"CanBeComponent": true
	},
	{
		"Name": "JavaScript",
		"Aliases": [
			"js",
			"node",
			"nodejs",
			"TypeScript"
		],
		"Weight": 16,
		"Frameworks": [],
		"Tools": [],
		"CanBeComponent": true
	}
]

[kadel]

nice 👍