Create Julia Cheat Sheet Markdown.md

[j-adel]

Collated the cheat sheet content into Markdown for people who'd like to copy it over to local notes. Any suggestions for modifications/improvements are welcome.

[j-adel]

In case someone would like to replicate the process for updating/editing, here's the PowerShell script:

$files = @(
    @{filename="What-is.md"; title="What is…?"},
    @{filename="Basics.md"; title="Basics"},
    @{filename="Operators.md"; title="Operators"},
    @{filename="The-shell-aka-REPL.md"; title="The shell a.k.a. REPL"},
    @{filename="Standard-libraries.md"; title="Standard libraries"},
    @{filename="Package-management.md"; title="Package management"},
    @{filename="Characters-and-strings.md"; title="Characters and strings"},
    @{filename="Numbers.md"; title="Numbers"},
    @{filename="Random-Numbers.md"; title="Random Numbers"},
    @{filename="Arrays.md"; title="Arrays"},
    @{filename="Linear-Algebra.md"; title="Linear Algebra"},
    @{filename="Control-flow-and-loops.md"; title="Control flow and loops"},
    @{filename="Functions.md"; title="Functions"},
    @{filename="Dictionaries.md"; title="Dictionaries"},
    @{filename="Sets.md"; title="Sets"},
    @{filename="Collection-functions.md"; title="Collection functions"},
    @{filename="Types.md"; title="Types"},
    @{filename="Missing-and-Nothing.md"; title="Missing and Nothing"},
    @{filename="Exceptions.md"; title="Exceptions"},
    @{filename="Modules.md"; title="Modules"},
    @{filename="Expressions.md"; title="Expressions"},
    @{filename="Macros.md"; title="Macros"},
    @{filename="Parallel-Computing.md"; title="Parallel Computing"},
    @{filename="IO.md"; title="I/O"},
    @{filename="DataFrames.md"; title="DataFrames"},
    @{filename="Introspection-and-reflection.md"; title="Introspection and reflection"},
    @{filename="Noteworthy-packages-and-projects.md"; title="Noteworthy packages and projects"},
    @{filename="Naming-Conventions.md"; title="Naming Conventions"},
    @{filename="Performance-tips.md"; title="Performance tips"},
    @{filename="IDEs-Editors-and-Plugins.md"; title="IDEs, Editors and Plug-ins"},
    @{filename="Resources.md"; title="Resources"},
    @{filename="Videos.md"; title="Videos"}
)

$outputFile = "MergedFile.md"

# Clear the output file if it exists
if (Test-Path $outputFile) {
    Remove-Item $outputFile
}

foreach ($file in $files) {
    $title = $file.title
    $filename = $file.filename
    Add-Content -Path $outputFile -Value "# $title`r`n"
    Get-Content -Path $filename | Add-Content -Path $outputFile
    Add-Content -Path $outputFile -Value "`r`n"
}