feat!: Separate www into www/blog and www/private

Now the private content is stored as a git submodule.
This means I can keep that repo's source private, but still use it in
the build product.
The build product (website) relies on HTTP basic authentication, so
access control is maintained throughout the SDLC.

src/recipes/camping/cobblestacks-v2.md

@@ -0,0 +1,26 @@
+*Source: Matt*
+
+## Description
+Originally from [Eat Sleep Wild](https://eatsleepwild.com/the-best-homemade-energy-bars-for-hiking-and-backpacking/)
+
+## Ingredients
+- 360g mashed banana (about 3 large)
+- 1 tsp vanilla extract
+- 200g porridge oats
+- 90g goji berries
+- 50g walnuts
+- 30g chia seeds
+- 80g pepita seeds
+- 60g sliced almonds
+- 25g ground flax seed meal
+- 1 tsp cinnamon
+- 1/4 tsp fine sea salt
+
+## Instructions
+1. Preheat oven to 180°C / 350°F. Grease and line 9″ x 13″ dish with parchment.
+2. Mash banana, stir in vanilla. Add remaining ingredients, mix well.
+3. Let sit 5-10 minutes for chia to absorb moisture.
+4. Press into dish with wet hands until compacted.
+5. Bake 22-26 minutes until firm and golden on edges.
+6. Cool 10 minutes, lift out, cool completely, slice into bars.
+7. Store in fridge for a week or freezer for 4-6 weeks.