feat: add new project and single page layouts

- Created a new layout for projects with sections for hero, projects, roadmap, selection criteria, and a call to action.
- Added a single page layout for individual project details, including a hero section and content area.
- Introduced a brand highlight partial to emphasize "TheAfriForge" in text.
- Implemented an icon partial for reusable SVG icons across the site.
- Developed a site header and footer with navigation and legal links, adapting for language variations.
- Enhanced the index layout with sections for hero, stats, pillars, projects, and members.
- Added a development script to load environment variables and run Hugo with optional arguments.

hugo.toml

@@ -0,0 +1,74 @@
+baseURL = "https://theafriforge.org/"
+title = "TheAfriForge"
+defaultContentLanguage = "fr"
+defaultContentLanguageInSubdir = true
+enableRobotsTXT = true
+disableKinds = ["taxonomy", "term"]
+disableAliases = true
+
+[params]
+  organization = "TheAfriForge"
+  gitforgeUrl = "https://gitforge.africa"
+  repositoryUrl = "https://github.com/theafriforge"
+  # Membership form configuration (fallback values).
+  # Priority used in templates:
+  # 1) HUGO_MEMBERSHIP_FORM_ACTION / HUGO_MEMBERSHIP_FORM_SUCCESS_PATH
+  # 2) params.membershipFormAction / params.membershipFormSuccessPath (below)
+  # 3) page front matter defaults
+  membershipFormAction = ""
+  membershipFormSuccessPath = ""
+
+[languages]
+  [languages.fr]
+    languageName = "Français"
+    languageCode = "fr-FR"
+    weight = 1
+    contentDir = "content/fr"
+    title = "TheAfriForge"
+
+    [[languages.fr.menu.main]]
+      name = "Accueil"
+      pageRef = "/"
+      weight = 10
+
+    [[languages.fr.menu.main]]
+      name = "Manifeste"
+      pageRef = "/manifeste"
+      weight = 20
+
+    [[languages.fr.menu.main]]
+      name = "Nos Projets"
+      pageRef = "/projets"
+      weight = 30
+
+    [[languages.fr.menu.main]]
+      name = "Gouvernance"
+      pageRef = "/gouvernance"
+      weight = 40
+
+  [languages.en]
+    languageName = "English"
+    languageCode = "en-US"
+    weight = 2
+    contentDir = "content/en"
+    title = "TheAfriForge"
+
+    [[languages.en.menu.main]]
+      name = "Home"
+      pageRef = "/"
+      weight = 10
+
+    [[languages.en.menu.main]]
+      name = "Manifesto"
+      pageRef = "/manifesto"
+      weight = 20
+
+    [[languages.en.menu.main]]
+      name = "Our Projects"
+      pageRef = "/projects"
+      weight = 30
+
+    [[languages.en.menu.main]]
+      name = "Governance"
+      pageRef = "/governance"
+      weight = 40