🪲 [Fix]: Function names + simplify private functions (#3)

## Description

- Function names + simplify private functions

## Type of change

<!-- Use the check-boxes [x] on the options that are relevant. -->

- [ ] 📖 [Docs]
- [x] 🪲 [Fix]
- [ ] 🩹 [Patch]
- [ ] ⚠️ [Security fix]
- [ ] 🚀 [Feature]
- [ ] 🌟 [Breaking change]

## Checklist

<!-- Use the check-boxes [x] on the options that are relevant. -->

- [x] I have performed a self-review of my own code
- [x] I have commented my code, particularly in hard-to-understand areas

src/Store/private/Initialize-VariableStore.ps1

@@ -10,12 +10,15 @@
         [string] $Name
     )
 
-    $configFilePath = Get-ConfigFilePath -Name $Name
+    $folderName = ".$($Name -replace '^\.')".ToLower()
+    $configFilePath = Join-Path -Path $HOME -ChildPath $folderName 'config.json'
+
     if (-not (Test-Path -Path $configFilePath)) {
         New-Item -Path $configFilePath -ItemType File -Force | Out-Null
         Set-StoreVariable -Name 'Name' -Value $Name
         Set-StoreVariable -Name 'ConfigFileName' -Value $configFilePath
     }
 
-    Restore-VariableStore -Name $Name
+    $script:Store = Get-Content -Path $configFilePath | ConvertFrom-Json
+
 }

src/Store/private/Set-StoreVariable.ps1

@@ -24,6 +24,6 @@
         } else {
             $script:Store.$Name = $Value
         }
-        Save-VariableStore
+        $script:Store | ConvertTo-Json | Set-Content -Path $script:Store.ConfigFileName -Force
     }
 }

src/Store/public/Get-StoreConfig.ps1

@@ -30,7 +30,7 @@
 
     switch ($PSCmdlet.ParameterSetName) {
         'Variable' {
-            Get-ConfigVariable -Name $VariableName
+            Get-StoreVariable -Name $VariableName
         }
         'Secret' {
             Get-Secret -Name $SecretName -AsPlainText -Vault $script:Store.SecretVaultName

src/Store/public/Set-StoreConfig.ps1

@@ -21,14 +21,14 @@
         DefaultParameterSetName = 'Variable'
     )]
     param (
-        # The variable name to set.
+        # The name of a variable to set.
         [Parameter(
             Mandatory,
             ParameterSetName = 'Variable'
         )]
         [string] $VariableName,
 
-        # The SecretName to set.
+        # The name of a secret to set.
         [Parameter(
             Mandatory,
             ParameterSetName = 'Secret'